        console.log('%c 本网站不对外宣传，倒计时处代码copy于jsdaima.com，这是个很好的网站，感谢大家为这个好网站点点关注', 'color: red;font-size: 24px;font-weight: bold;text-decoration: underline;');

        const fourthOfJuly = new Date("December 22, 2018 12:00:00").getTime();

        // countdown
        let timer = setInterval(function() {

            // get today's date
            const today = new Date().getTime();

            // get the difference
            const diff = fourthOfJuly - today;

            // math
            let days = Math.floor(diff / (1000 * 60 * 60 * 24));
            let hours = Math.floor((diff % (1000 * 60 * 60 * 24)) / (1000 * 60 * 60));
            let minutes = Math.floor((diff % (1000 * 60 * 60)) / (1000 * 60));
            let seconds = Math.floor((diff % (1000 * 60)) / 1000);

            // display
            document.getElementById("timer").innerHTML =
                "<div class=\"days\"> \
  <div class=\"numbers\">" + days + "</div>days</div> \
<div class=\"hours\"> \
  <div class=\"numbers\">" + hours + "</div>hours</div> \
<div class=\"minutes\"> \
  <div class=\"numbers\">" + minutes + "</div>minutes</div> \
<div class=\"seconds\"> \
  <div class=\"numbers\">" + seconds + "</div>seconds</div> \
</div>";

        }, 1000);